CN103899663A - Main shaft locking device and method - Google Patents
Main shaft locking device and method Download PDFInfo
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- CN103899663A CN103899663A CN201210568305.3A CN201210568305A CN103899663A CN 103899663 A CN103899663 A CN 103899663A CN 201210568305 A CN201210568305 A CN 201210568305A CN 103899663 A CN103899663 A CN 103899663A
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- wheel rim
- rim axle
- lower wheel
- axle
- locking
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Abstract
The invention relates to a main shaft locking device and method. A mechanical execution mechanism for driving radial locking through axial displacement is adopted and axially braked in the radial locking process to improve the locking arrival rate and the location accuracy between an upper rim shaft and a lower rim shaft, locking failures caused by the facts that associated pneumatic components are failed or an air source is accidentally closed are accordingly avoided, and the safety of device use and operators is accordingly and effectively protected. The main shaft locking device comprises a butt joint part between the upper rim shaft and the lower rim shaft, a locating groove with the concave circumference and a plurality of clamping blocks capable of being inserted into or retreated from the locating groove in the radial direction, the clamping blocks are connected to a driving mechanism, the driving mechanism drives the clamping blocks to perform reciprocating motion in the radial direction, is arranged in an inner cavity of the upper rim shaft or the lower rim shaft and performs axial motion, an annunciator is installed on the driving mechanism, and a detector for sensing the axial motion position of the annunciator to judge the radial positions where the clamping blocks are located is installed on the upper rim shaft or the lower rim shaft where the driving mechanism is installed.
Description
Technical field
The present invention relates to apparatus for locking main shaft and locking and detecting method that one is applied to tyre tester (as dynamic balancing, uniformity/degree of eccentricity testing machine etc.), belong to rubber manufacturing machinery and industrial automation.
Background technique
Manufacturing in the manufacturing process of rubber tyre, need carry out online a series of test item, as tested through dynamic balancing and uniformity/degree of eccentricity, to carry out detection and the grading of relevant item in manufacture course of working for tire before tire shipment.
As on uniformity/degree of eccentricity testing machine, be to carry out the full-automatic online special device detecting for all steel load tyre evenness, size deviation and camber index.Conventionally needing to be detected tire is installed between upper and lower wheel rim, now going up wheel rim axle docks and locks with lower wheel rim axle, and then inflate, inflate and reach after test request pressure, loading wheel detected tyre is loaded carry out uniformity, degree of eccentricity indices is measured.
In this type of test process, if upper wheel rim axle and lower wheel rim shaft locking are not in place, after tyre inflating, meeting be collapsed axle phenomenon and be formed the brute force impact for upper wheel rim part, and equipment is caused damage.
Existing tyre tester part-structure as shown in rear accompanying drawing 1, the locking of main shaft part (20) and unclamp Check point be air pressure detect, can not reflect truly locking fixture block (30) physical location.If upper wheel rim axial region (40) inserts the malposition of main shaft part (20), the groove (or screw thread) of locking between fixture block (30) and upper wheel rim axial region (40) can not correctly coordinate, and air pressure detection display main shaft part (20) is locking state, now tyre inflating will cause and collapse axle phenomenon.
Use above-mentioned prior art, apparatus for locking main shaft is to control respectively 4 locking fixture blocks (30) by 4 cylinders, not relevant further mechanical protection mechanism in locking process.Once occurring that upper wheel rim axial region (40) is locked not in placely just may, because cylinder valve block is malfunctioning or control source of the gas is closed and caused locking malfunctioning, cause serious harm to equipment and operator safety.
In view of this, the special present patent application that proposes.
Summary of the invention
Apparatus for locking main shaft of the present invention and method thereof; its object is to address the above problem and takes axial displacement to drive the radially mechanical actuating mechanism of locking; mechanical actuating mechanism is subject to axial braking action in radially locking process; to improving arrival rate and the positioning precision of locking between upper and lower wheel rim axle; thereby prevent because relevant Pneumatic component is malfunctioning or source of the gas is surprisingly closed the locking Its Failures causing, thereby protection equipment uses and operator's safety effectively.
Another goal of the invention is, by the detection to locking device and automatic decision, to optimize locking and the control accuracy and the automatization level that discharge, to prevent from locking the whole efficiency with improving corresponding detection not in place.
For achieving the above object, described apparatus for locking main shaft mainly includes:
Upper wheel rim axle, the lower wheel rim axle that can coordinate along vertical docking,
Difference with the prior art part is, the end-to-end joint part between upper wheel rim axle and lower wheel rim axle is provided with the circumferential locating slot of an indent and several fixture block that can radially insert or exit locating slot;
Fixture block is connected in a driving, and it radially moves back and forth, is arranged on the driving mechanism axially moving of wheel rim axle or lower wheel rim axle inner chamber;
One advertiser is installed on driving mechanism, on the upper wheel rim axle of driving mechanism or lower wheel rim axle, is assembled a perceptual signal device and move axially position installing, to judge the detector of fixture block radial position of living in.
As above-mentioned basic scheme, insert or exit locating slot to realize locking between upper and lower wheel rim and to unclamp by fixture block, therefore fixture block both can be arranged at wheel rim axle, also can be arranged at lower wheel rim axle.Accordingly, locating slot also can be arranged at wheel rim axle or lower wheel rim axle.
The structure of driving mechanism, and can have multiple with the Placement of fixture block, be mainly realize vertically motion (refer to herein along upper wheel rim axle or lower wheel rim axle axially, the following content of this patent is identical) change the radially process of (refer to along upper wheel rim axle or lower wheel rim axle radially, the following content of this patent is identical) motion of fixture block into herein.
The effect of advertiser is direction and the place, position that driving mechanism axial motion is provided to detector, to judge fixture block radial motion direction and present position, be whether fixture block is inserted completely in locating slot, and then judge upper and lower wheel rim axle and whether lock.
For adapting to better the complete machine structure and detection principle of existing tyre tester, for the comparatively advantageous embodiment embodiment of driving mechanism be, at the inner chamber of upper wheel rim axle, locating slot is set, there are several fixture blocks at lower wheel rim axle upper sleeve through;
Fixture block is arranged at the ladder type piece of lower wheel rim axle inside, the packaged piston that can move along lower wheel rim axle axial reciprocating that is assigned in of ladder type by chase mortise structure connection one.
The chase mortise structure being connected between fixture block and ladder type piece, has determined that, when piston driving ladder type piece axially moves, fixture block is radially being realized movement by the push-and-pull of ladder type piece, and then fixture block can be inserted in locating slot or from locating slot and exits.
Under upper and lower wheel rim locking state, fixture block moves radially and the grafting of formation and locating slot because of ladder type piece axially locating, and now the axially locating of piston and ladder type piece is comparatively crucial.The change of axially locating, can cause fixture block in tire High Rotation Speed process to be deviate from from locating slot, and upper and lower wheel rim is locked not in place or mutually unclamped, and all can cause the generation of collapsing the security incidents such as axle as described in above prior art.
To this, for improving the axially locating stability of above-mentioned driving mechanism, can be in lower wheel rim axle, be provided with hold the inner chamber of described piston and by the conducting of external compression air to inner chamber to change the gas circuit of different end face pressure distribution vertically of piston.
From different gas circuit conducting pressurized air in the inner chamber of wheel rim axle, draught head up and down between the different end faces of piston causes piston to move vertically until piston arrives limit position, now fixture block moves radially and puts in place, and fixture block fully inserts in locating slot or from locating slot and fully extracts out.
In the process of fixture block limit position, there is not neutral position, this can be from gas circuit respectively air inlet solve with giving vent to anger, to form larger air pressure difference between the different end faces of piston, prevent from, because cylinder valve block is malfunctioning or control source of the gas and surprisingly close that to cause piston shaft to occur to locating point loosening, avoiding locking the generation of Its Failures.
Detect the accuracy of piston shaft to movement direction and position location for further improving, whether lock and put in place effectively to judge upper and lower wheel rim axle, can take following modification for the axially movable input scheme of above-mentioned driving mechanism, in lower wheel rim axle inside, arrange vertically one and run through the mandrel that connects ladder type piece, piston;
On mandrel, the end relative with ladder type piece arrange described advertiser.
Based on the architecture advances of above-mentioned design concept and apparatus for locking main shaft, the present invention also can realize following principal shaft locking method simultaneously:
Upper wheel rim axle axially declines to coordinate with lower wheel rim axle docking along it,
Difference with the prior art part is, the end-to-end joint part between upper wheel rim axle and lower wheel rim axle, and driving mechanism moves axially to realize fixture block and radially moves and be inserted in locating slot, with by upper wheel rim axle and lower wheel rim shaft locking;
The advertiser of detector awareness driven mechanism moves axially direction and position, to judge that fixture block moves radially direction and present position, and then clearly goes up wheel rim axle and whether lower wheel rim axle locks;
Move or locate by above-mentioned parts opposite direction, going up wheel rim axle and lower wheel rim axle unclamps mutually.
Comparatively optimization with better adaptive locking with detecting judgment mode is, is assemblied in the fixture block of lower wheel rim axle, is connected and is radially driven in ladder type piece by chase mortise structure, and ladder type piece is moved along lower wheel rim axle axial reciprocating by connected piston driving.
Concrete implementation step includes, and by pressurized air conducting, to inner chamber, the pressure distribution changing on the different end faces of piston moves axially along lower wheel rim axle to order about piston.
In addition, axial along lower wheel rim axle, in turn run through and connect ladder type piece and piston by mandrel;
Be provided for the advertiser that perception ladder type piece moves axially direction and position in mandrel end, move radially direction and present position to detect fixture block.
As mentioned above, the advantage that apparatus for locking main shaft of the present invention and method thereof have is:
1, by being axially converted into mechanical actuating mechanism radially, between upper and lower wheel rim axle, form reliable locking and positioning, can effectively avoid because gas path component is malfunctioning, air pressure reduces or source of the gas is surprisingly closed the locking Its Failures causing, thereby play synthetically, all sidedly safety protection function.
2, axially movable direction control and location, position probing by mechanical part can perception and judgement, directly be reflected to the judgement of upper and lower wheel rim shaft locking state, more be conducive to the enforcement of gas circuit control and detection means, detect and the automation that resets and control thereby improve significantly, correspondingly improve precision and efficiency that bulk testing detects.
Accompanying drawing explanation
Now the present invention is described further by reference to the accompanying drawings:
Fig. 1 is that prior art is used wheel rim shaft locking structural representation;
Fig. 2 is the tyre tester schematic diagram that uses apparatus for locking main shaft of the present invention and method thereof;
Fig. 3 is the schematic diagram that upper and lower wheel rim shaft locking puts in place;
Fig. 4 is the schematic diagram mutually unclamping with respect to the axle of wheel rim up and down of Fig. 3;
As shown in Figure 1, main shaft part 20, locking fixture block 30, upper wheel rim axial region 40, cylinder 50;
As shown in Figures 2 to 4, upper wheel rim axle 1, lower wheel rim axle 2, locating slot 3, fixture block 4, advertiser 5, detector 6, ladder type piece 7, piston 8, inner chamber 9, gas circuit 10, mandrel 11, lower wheel rim seat 12, support 13, cylinder 14, column 15, linear rail 16, tire 17.
Embodiment
Upper wheel rim axle 1, the lower wheel rim axle 2 that can coordinate along vertical docking;
Lower wheel rim axle 2 is installed on support 13, and upper wheel rim axle 1 connects and is driven in cylinder 14;
By the column 15 and linear rail 16 of both sides, drive upper wheel rim axle 1 along vertical movement by cylinder 14;
At the inner chamber of upper wheel rim axle 1, locating slot 3 is set, there are 6 fixture blocks 4 at lower wheel rim axle 2 upper sleeve throughs, each fixture block 4 connect respectively one be arranged at lower wheel rim axle 2 inside, with the ladder type piece 7 of 6 uniform T-shaped grooves, ladder type piece 7 is assemblied in a piston 8 that can move along lower wheel rim axle 2 axial reciprocatings;
In lower wheel rim axle 2, be provided with hold the inner chamber 9 of described piston 8 and by the conducting of external compression air to inner chamber 9 to change 2 tunnel gas circuits 10 of 2 end face pressure distribution up and down vertically of piston 8, in Fig. 3, be marked with respectively 2 air inlet/outlets of A, B;
In lower wheel rim axle 2 inside, arrange vertically one and run through the mandrel 11 that connects ladder type piece 7, piston 8; On mandrel 11, the end relative with ladder type piece 7 arrange described advertiser 5, advertiser 5 is one to be sheathed on the signal panel of mandrel 11 lower ends, the upper end of mandrel 11 is locked in lower wheel rim seat 12 ends;
Connect one group of 2 detector 6 in lower wheel rim axle 2 bottoms, detector 6 may be selected to be approach switch.
Based on the use of above-mentioned apparatus for locking main shaft, can realize following principal shaft locking and detecting method:
Upper wheel rim axle 1 axially declines to coordinate with lower wheel rim axle 2 docking along it;
End-to-end joint part between upper wheel rim axle 1 and lower wheel rim axle 2, driving mechanism moves axially to realize fixture block 4 and radially moves and be inserted in locating slot 3, so that upper wheel rim axle 1 is locked with lower wheel rim axle 2;
Whether the advertiser 5 of detector 6 awareness driven mechanisms moves axially direction and position, to judge that fixture block 4 moves radially direction and present position, and then clearly go up wheel rim axle 1 and lock with lower wheel rim axle 2;
Move or locate by above-mentioned parts opposite direction, going up wheel rim axle 1 and mutually unclamp with lower wheel rim axle 2.
Concrete mode of execution, or say comparatively preferred embodiment,
Axial along lower wheel rim axle 2, in turn run through and connect ladder type piece 7 and piston 8 by mandrel 11;
By pressurized air conducting, to inner chamber 9, the pressure distribution changing on the different end faces of piston 8 moves axially along lower wheel rim axle 2 to order about piston 8;
Be assemblied in the fixture block 4 of lower wheel rim axle 2, connected and radially driven in ladder type piece 7 by chase mortise structure, ladder type piece 7 is driven along lower wheel rim axle 2 axial reciprocatings and is moved by connected piston 8;
When ladder type piece 7 moves back and forth vertically, 6 fixture blocks 4, are inserted or depart from above-mentioned locating slot 3 to complete movement radially by push-and-pull, thereby realize the locking of upper wheel rim axle 1 and lower wheel rim axle 2 or mutually unclamp;
The advertiser 5 that is provided for perception ladder type piece 7 in mandrel 11 ends and moves axially direction and position, moves radially direction and present position to detect fixture block 4.
Locking state as shown in Figure 3,
Upper wheel rim axle 1 under the effect of cylinder 14 along the vertical position coordinating with lower wheel rim axle 2 that drops to, enter gas circuit 10, inner chamber 9 until the lower end surface of piston 8 from the A port conducting pressurized air of lower wheel rim axle 2, from B port, the pressurized air of piston 8 upper-end surfaces is discharged, piston 8 moves up to drive ladder type piece 7 to rise vertically, ladder type piece 7 promotes 4 whiles of 6 fixture blocks, radially expansion symmetrically, and fixture block 4 inserts in the locating slot 3 of upper wheel rim axle 1 inside.
The mandrel 11 connecting as one with piston 8 drives the advertiser 5 of lower end to rise to apical position from bottom, and now the detector 6 on top detects advertiser 5, puts in place with lower wheel rim axle 2 lockings to judge upper wheel rim axle 1;
In tire 17, inflate and reach test request pressure, loading wheel loads to tire 17 detection of carrying out uniformity, degree of eccentricity indices.
Releasing orientation as shown in Figure 4,
The B port conducting pressurized air of lower wheel rim axle 2 enters gas circuit 10, inner chamber 9 until the upper-end surface of piston 8, from A port, the pressurized air of piston 8 lower end surfaces is discharged, piston 8 moves down to drive ladder type piece 7 to decline vertically, ladder type piece 7 promotes 4 whiles of 6 fixture blocks, radially bounces back symmetrically, and fixture block 4 exits from the locating slot 3 of upper wheel rim axle 1.
Now, mandrel 11 drives the advertiser 5 of lower end to drop to bottom position from top, and now the detector 6 of bottom detects advertiser 5, mutually unclamps with lower wheel rim axle 2 to judge upper wheel rim axle 1;
Upper wheel rim axle 1 rises to initial position under the effect of cylinder 14.
Claims (8)
1. an apparatus for locking main shaft, comprises upper wheel rim axle (1), the lower wheel rim axle (2) that can coordinate along vertical docking,
It is characterized in that: the end-to-end joint part between upper wheel rim axle (1) and lower wheel rim axle (2), is provided with the circumferential locating slot of an indent (3) and several fixture block (4) that can radially insert or exit locating slot (3);
Fixture block (4) is connected in a driving, and it radially moves back and forth, is arranged on the driving mechanism axially moving of wheel rim axle (1) or lower wheel rim axle (2) inner chamber;
One advertiser (5) is installed on driving mechanism, is moved axially position at upper wheel rim axle (1) or the upper assembling of lower wheel rim axle (2) one perceptual signal device (5) that driving mechanism is installed, to judge the detector (6) of fixture block (4) radial position of living in.
2. apparatus for locking main shaft according to claim 1, is characterized in that: at the inner chamber of upper wheel rim axle (1), locating slot (3) is set, has several fixture blocks (4) at lower wheel rim axle (2) upper sleeve through;
Fixture block (4) connects one by chase mortise structure and is arranged at the inner ladder type piece (7) of lower wheel rim axle (2), and ladder type piece (7) is assemblied in a piston (8) that can move along lower wheel rim axle (2) axial reciprocating.
3. apparatus for locking main shaft according to claim 2, it is characterized in that: in lower wheel rim axle (2), be provided with hold the inner chamber (9) of described piston (8) and by the conducting of external compression air to inner chamber (9) to change the gas circuit (10) of piston (8) different end face pressure distribution vertically.
4. according to the apparatus for locking main shaft described in claim 2 or 3, it is characterized in that: in lower wheel rim axle (2) inside, arrange vertically one and run through the mandrel (11) that connects ladder type piece (7), piston (8);
, with ladder type piece (7) relative end upper at mandrel (11) arranges described advertiser (5).
5. the method for apparatus for locking main shaft as described in any claim in claim 1 to 4, upper wheel rim axle (1) axially declines to coordinate with lower wheel rim axle (2) docking along it, it is characterized in that:
End-to-end joint part between upper wheel rim axle (1) and lower wheel rim axle (2), driving mechanism moves axially to realize fixture block (4) and radially moves and be inserted in locating slot (3), so that upper wheel rim axle (1) and lower wheel rim axle (2) are locked;
Whether the advertiser (5) of detector (6) awareness driven mechanism moves axially direction and position, to judge that fixture block (4) moves radially direction and present position, and then clearly go up wheel rim axle (1) and lock with lower wheel rim axle (2);
Move or locate by above-mentioned parts opposite direction, going up wheel rim axle (1) and mutually unclamp with lower wheel rim axle (2).
6. principal shaft locking method according to claim 5, it is characterized in that: the fixture block (4) that is assemblied in lower wheel rim axle (2), connected and radially driven in ladder type piece (7) by chase mortise structure, ladder type piece (7) is driven and is moved along lower wheel rim axle (2) axial reciprocating by connected piston (8).
7. principal shaft locking method according to claim 6, is characterized in that: by pressurized air conducting, to inner chamber (9), the pressure distribution changing on the different end faces of piston (8) moves axially along lower wheel rim axle (2) to order about piston (8).
8. according to the principal shaft locking method described in claim 6 or 7, it is characterized in that: axial along lower wheel rim axle (2), in turn run through and connect ladder type piece (7) and piston (8) by mandrel (11);
The advertiser (5) that is provided for perception ladder type piece (7) in mandrel (11) end and moves axially direction and position, moves radially direction and present position to detect fixture block (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210568305.3A CN103899663A (en) | 2012-12-24 | 2012-12-24 | Main shaft locking device and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210568305.3A CN103899663A (en) | 2012-12-24 | 2012-12-24 | Main shaft locking device and method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103899663A true CN103899663A (en) | 2014-07-02 |
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ID=50991177
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210568305.3A Pending CN103899663A (en) | 2012-12-24 | 2012-12-24 | Main shaft locking device and method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103899663A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3889542A (en) * | 1973-11-09 | 1975-06-17 | Fmc Corp | Wheel mounting apparatus |
| US4023407A (en) * | 1976-01-19 | 1977-05-17 | Akron Standard, Division Of Eagle-Picher Industries, Inc. | Chuck for tire uniformity machine |
| CN201000385Y (en) * | 2006-09-11 | 2008-01-02 | 青岛高校软控股份有限公司 | Circular rim locking device using tooth-shaped sliding piece mechanism |
| CN201000384Y (en) * | 2006-09-11 | 2008-01-02 | 青岛高校软控股份有限公司 | Circular rim locking apparatus using steel ball cover |
| CN203023313U (en) * | 2012-12-24 | 2013-06-26 | 软控股份有限公司 | Main shaft locking device |
-
2012
- 2012-12-24 CN CN201210568305.3A patent/CN103899663A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3889542A (en) * | 1973-11-09 | 1975-06-17 | Fmc Corp | Wheel mounting apparatus |
| US4023407A (en) * | 1976-01-19 | 1977-05-17 | Akron Standard, Division Of Eagle-Picher Industries, Inc. | Chuck for tire uniformity machine |
| CN201000385Y (en) * | 2006-09-11 | 2008-01-02 | 青岛高校软控股份有限公司 | Circular rim locking device using tooth-shaped sliding piece mechanism |
| CN201000384Y (en) * | 2006-09-11 | 2008-01-02 | 青岛高校软控股份有限公司 | Circular rim locking apparatus using steel ball cover |
| CN203023313U (en) * | 2012-12-24 | 2013-06-26 | 软控股份有限公司 | Main shaft locking device |
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Application publication date: 20140702 |